<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator-class='el-icon-arrow-right'>
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>日志系统</el-breadcrumb-item>
      <el-breadcrumb-item>日志管理</el-breadcrumb-item>
    </el-breadcrumb>

    <!--卡片视图-->
    <el-card>
      <!--搜索添加区域-->
      <el-row :gutter='20'>
        <el-col :span='9'>
          <el-input placeholder='请输入内容' v-model='queryinfo.query' clearable @clear='getUserList'>
            <el-button slot='append' icon='el-icon-search' @click='getUserList'></el-button>
          </el-input>
        </el-col>
        <el-col :span='4'>
          <el-button type='primary' @click='addDIaologVisible = true'>添加用户</el-button>
        </el-col>
      </el-row>
      <!--用户列表区域-->
      <el-row>
        <el-table
            :data='userlist'
            :stripe='true'
            :border='true'
        >
          <el-table-column type='index' label='编号'>
          </el-table-column>
          <el-table-column prop='username' label='姓名'>
          </el-table-column>
          <el-table-column prop='email' label='邮箱'>
          </el-table-column>
          <el-table-column prop='mobile' label='电话'>
          </el-table-column>
          <el-table-column prop='role_name' label='角色'>
          </el-table-column>
          <el-table-column label='状态'>
            <template slot-scope='scope'>
              <el-switch v-model='scope.row.mg_state' @change='userStateChange(scope.row)'></el-switch>
            </template>
          </el-table-column>
          <el-table-column label='操作' width='180px'>
            <!--作用域插槽-->
            <template slot-scope='scope'>
              <!--修改-->
              <el-button type='primary' @click='showEditDialog(scope.row.id)' icon='el-icon-edit'
                         size='mini'></el-button>
              <!--删除-->
              <el-button type='danger' icon='el-icon-delete' size='mini'
                         @click='removeUserById(scope.row.id)'></el-button>
              <!--分配角色-->
              <el-tooltip effect='dark' content='分配角色' placement='top-start' :enterable='false'>
                <el-button type='warning' icon='el-icon-setting' size='mini' @click='setRole(scope.row)'></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
      </el-row>
      <!--分页-->
      <el-pagination
          @size-change='handleSizeChange'
          @current-change='handleCurrentChange'
          :current-page='queryinfo.pagenum'
          :page-sizes='[1, 2, 5, 10]'
          :page-size='queryinfo.pagesize'
          layout='total, sizes, prev, pager, next, jumper'
          :total='total'>
      </el-pagination>
    </el-card>

    <!--添加用户对话框-->
    <el-dialog
        title='添加用户'
        :visible.sync='addDIaologVisible'
        width='50%'
    >
      <!--内容主体区域-->
      <el-form :model='addForm' status-icon :rules='addFormRules' ref='addFormRef' label-width='70px'>
        <el-form-item label='用户名' prop='username'>
          <el-input v-model='addForm.username'></el-input>
        </el-form-item>
        <el-form-item label='密码' prop='password'>
          <el-input v-model='addForm.password' type='password'></el-input>
        </el-form-item>
        <el-form-item label='邮箱' prop='email'>
          <el-input v-model='addForm.email'></el-input>
        </el-form-item>
        <el-form-item label='电话' prop='mobile'>
          <el-input v-model='addForm.mobile'></el-input>
        </el-form-item>
      </el-form>
      <!--底部区域-->
      <span slot='footer' class='dialog-footer'>
        <el-button @click='addDiaologClosed '>重 置</el-button>
        <el-button @click='addDIaologVisible = false'>取 消</el-button>
        <el-button type='primary' @click='addUser'>确 定</el-button>
      </span>
    </el-dialog>

    <!--修改用户对话框-->
    <el-dialog
        title='修改用户'
        :visible.sync='editDialogVisible'
        width='50%'
        @close='eiditDialogClosed'>
      <el-form :model='editForm' status-icon :rules='addFormRules' ref='EditFormRef' label-width='70px'>
        <el-form-item label='用户名'>
          <el-input v-model='editForm.username' disabled></el-input>
        </el-form-item>
        <el-form-item label='邮箱' prop='email'>
          <el-input v-model='editForm.email'></el-input>
        </el-form-item>
        <el-form-item label='手机号' prop='mobile'>
          <el-input v-model='editForm.mobile'></el-input>
        </el-form-item>
      </el-form>
      <span slot='footer' class='dialog-footer'>
    <el-button @click='editDialogVisible = false'>取 消</el-button>
    <el-button type='primary' @click='editUserInfo'>确 定</el-button>
  </span>
    </el-dialog>

    <el-dialog
        title='分配角色'
        :visible.sync='setRoleDialogVisible'
        width='50%'
        @close='setRoleDialogClosed'
    >
      <div>
        <p>当前的用户:{{ userInfo.username }}</p>
        <p>当前的角色:{{ userInfo.role_name }}</p>
        <p>分配新角色：
          <el-select v-model='selectedRoleId' placeholder='请选择'>
            <el-option
                v-for='item in rolesList'
                :key='item.id'
                :label='item.roleName'
                :value='item.id'>
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot='footer' class='dialog-footer'>
    <el-button @click='setRoleDialogVisible = false'>取 消</el-button>
    <el-button type='primary' @click='saveRoleInfo'>确 定</el-button>
  </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
  name: 'Users',
  data() {
    // 验证邮箱规则
    const checkEmail = (rule, value, cb) => {
      //  验证邮箱的正则表达式
      const regEmail = /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      } else {
        cb(new Error('请输入合法的邮箱'))
      }
    }


    // 验证mobile规则
    const checkMobile = (rule, value, cb) => {
      //  验证邮箱的正则表达式
      const regMobile = /^[1]+[3,8]+\d{9}$/
      if (regMobile.test(value)) {
        // 合法的mobile
        return cb()
      } else {
        cb(new Error('请输入合法的电话'))
      }
    }

    return {
      //  获取用户列表的参数对象
      queryinfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 10
      },
      userlist: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDIaologVisible: false,
      //  添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      //  添加表单规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }, {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个长度之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }, {
            min: 6,
            max: 15,
            message: '用户名的长度在6-15个长度之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入email', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入电话', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      //  控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 要查询的用户数据
      editForm: {},
      editFormRules: {},
      // 控制角色对话框的控制与隐藏
      setRoleDialogVisible: false,
      // 需要呗分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的id值
      selectedRoleId: []
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', { params: this.queryinfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户数据列表失败！')
      } else {
        this.userlist = res.data.users
        this.total = res.data.total
      }
    },
    //  监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      this.queryinfo.pagesize = newSize
      this.getUserList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange(newPage) {
      this.queryinfo.pagenum = newPage
      this.getUserList/**/()
    },
    async userStateChange(userinfo) {
      // console.log(userinfo)
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      } else {
        this.$message.success('更新用户状态成功！')
      }
    },
    // 重置按钮
    addDiaologClosed() {
      this.$refs.addFormRef.resetFields()
    },
    //  点击按钮,添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) {
          //表单检验
          return
        }
        // 发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        console.log(res)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败!')
        } else {
          this.$message.success('添加用户成功!')
          //  隐藏添加用户对话框
          this.addDIaologVisible = false
          //重新获取用户数据
          this.getUserList()
        }
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      this.editDialogVisible = true
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询数据失败!')
      } else {
        this.editForm = res.data
        console.log(this.editForm)
      }
    },
    //  监听修改用户对话框的关闭事件
    eiditDialogClosed() {
      this.$refs.EditFormRef.resetFields()
    },
    //  修改用户信息并提交
    editUserInfo() {
      this.$refs.EditFormRef.validate(async valid => {
        if (!valid) return
        //  发起修改数据信息
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户数据失败!')
        } else {
          // 关闭对话框
          this.editDialogVisible = false
          // 刷新数据列表
          this.getUserList()
          // 提示修改成功
          this.$message.success('更新用户数据成功!')
        }
      })
    },
    //  根据id删除用户
    async removeUserById(id) {
      // console.log(id)
      //  询问用户是否需要删除
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 如果用户取消了删除返回为 cancle
      // 如果用户确定了删除返回为 confirm
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消了删除!')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败!')
      }
      this.$message.success('删除用户成功!')
      //  刷新列表
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前获取所有角色的列表
      const { data: res } = await this.$http.get('sysRoles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/sysRole`, { rid: this.selectedRoleId })
      if (res.meta.status!==200){
        return  this.$message.error('更新角色失败！')
      }

      this.$message.success("更新角色成功！")
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 分配角色对话框的关闭事件
    setRoleDialogClosed(){
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang='less' scoped>

</style>
